Cited by 422Atrial Fibrillation Management and OutcomesCardiac electrophysiology and arrhythmiasCardiac Arrhythmias and Treatments

Paroxysmal Atrial Fibrillation: A Disorder of Autonomic Tone?

Coumel, P.·1994·European Heart Journal

Abstract

Electrophysiological characteristics of atrial cells (action potential duration and refractoriness, conduction speed) are modulated differently by vagal and sympathetic influences. The former tends to favour macro-reentry phenomena whereas the latter favours abnormal automaticity and triggered activity. In normal hearts vagal influences are predominant, thus explaining that the clinical pattern of vagal-mediated paroxysmal atrial fibrillation is preferentially observed in the absence of detectable heart disease, in young male adults, with an ECG pattern of common flutter alternating with fibrillation. Symathetically mediated atrial fibrillation is observed in the presence of any heart disease, the first effect of which is to provoke a vagal withdrawal. The clinical history is a reliable guide for suspecting which type of physiological autonomic predominance contributes to destabilize the arrhythmogenic substrate, but observing the behaviour of sinus rate variability just preceding the onset of the arrhythmia only permits documentation of the mechanism. The role of the autonomic influences should be taken into consideration every time conventional antiarrhythmic treatment is insufficient. Beta-blockers as well as digitalis may be either beneficial or detrimental, according to the causal mechanism, so that the choice of their use as a single or a combined therapy should be appropriate.

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Crossref · 10.1093/eurheartj/15.suppl_a.9

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  • Hoogsteen et al discuss atrial fibrillation being triggered by adrenergic surges during exercise in younger athletes, whereas older athletes typically experience vagally induced atrial fibrillation after exercise, normally from secondary autonomic dysfunction.

    “Investigating the mechanistic underpinning of this age-dependant risk, Hoogsteen et al 24 discuss AF being triggered by adrenergic surges occurring during exercise in younger athletes, 25 whereas older athletes typically experience vagally induced AF after exercise, normally from secondary autonomic dysfunction.26”

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Authors
Coumel, P.
Affiliations
Hôpital Lariboisière (FR)
Corresponding author
Coumel, P.
Venue
European Heart Journal
Published
1994-04-02
Volume
15
Issue
suppl A
Pages
9-16
ISSN
  • 0195-668X (ISSN-L)
  • 1522-9645
OpenAlex
W2000103335
Cited by
422
References
0
Citations by year
2026: 9 · 2025: 8 · 2024: 14 · 2023: 14 · 2022: 8 · 2021: 12 · 2020: 9 · 2019: 6 · 2018: 18 · 2017: 23 · 2016: 18 · 2015: 13 · 2014: 13 · 2013: 17 · 2012: 22
FWCI
3.16
Type
journal article
Language
en
Open access
closed
Locations
  • European Heart Journal (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Atrial Fibrillation Management and Outcomes
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac electrophysiology and arrhythmias
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Arrhythmias and Treatments
Keywords
paroxysmal atrial fibrillation, autonomic tone, vagal withdrawal, atrial electrophysiology, action potential duration, refractoriness, macroreentry, abnormal automaticity, triggered activity, beta-blockers, digitalis, antiarrhythmic therapy
MeSH terms
Adult, Atrial Fibrillation, Autonomic Nervous System, Electrocardiography, Female, Heart Conduction System, Humans, Male, Vagus Nerve

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